package com.bdqn.jk.interceptor;


import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
public class AdminLoginInterceptor implements HandlerInterceptor {
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {
        String uri =request.getRequestURI();
        if(uri.startsWith("/admin") && null==request.getSession().getAttribute("loginUser")){
            request.getSession().setAttribute("errorMsg","请登录！");
            response.sendRedirect(request.getContextPath()+"admin/login");
            return false;
        }else {
            request.getSession().removeAttribute("errorMsg");
            return true;
        }
    }
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {
    }

    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {
    }
}
